Mystery films are a genre of cinema that revolves around the investigation of a crime or an unexplained event. These films often feature a detective or amateur sleuth who seeks to uncover the truth, leading to suspenseful twists and turns. Common themes include murder, theft, or disappearance, and the narrative typically builds tension as clues are revealed. The genre has a rich history, with classic examples like Agatha Christie's adaptations and Film Noir from the 1940s. Mystery films engage audiences by challenging them to solve the puzzle alongside the characters, making them an enduring favorite in popular culture.